Zavedení
The Electro-Voice ETX-18SP is a high-performance powered 18-inch subwoofer designed for professional audio applications. It is a versatile choice for live entertainment venues, rental companies, professional musicians, DJs, and installed sound systems. Featuring a low-profile, tour-grade wood enclosure, a high-efficiency transducer, and a Class-D amplifier, the ETX-18SP delivers powerful and precise low-frequency reproduction. Signal Synchronized Transducers (SST) waveguide design and smart FIR-Drive DSP work together to provide precise coverage at high sound pressure levels (SPLs).
Klíčové vlastnosti
- Silný výkon: A powered subwoofer capable of delivering robust low-frequency sound for various portable and permanent applications.
- Pokročilé DSP: Features single-knob Digital Signal Processing (DSP) with presets for multiple configurations and top+sub combinations, optimizing performance style, location, and space.
- Transducer Protection: Designed to optimize transducer linearity and incorporates advanced limiter algorithms for independent peak and thermal transducer protection.
- Cardioid DSP Preset: Includes a true cardioid DSP preset for achieving a true cardioid response across all frequencies, enhancing directional control of bass.
- Odolná konstrukce: The enclosure is constructed from 18-mm, 13-ply birch plywood, finished with EVCoat for enhanced durability.
- Portability & Mounting: Equipped with professional castors for easy transport and a combination pole mount receptacle suitable for both threaded and unthreaded loudspeaker poles.
- Uživatelské rozhraní: Loudspeaker system performance is optimized via an intuitive LCD screen, with a front LED indicating power or limit status.
- Kompaktní rozměry: Dimensions (H x W x D): without casters 550 mm x 675 mm x 777 mm (22 in x 27 in x 31 in).
Nastavení
Vybalení a kontrola
Carefully remove the ETX-18SP subwoofer from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. Retain the packaging for future transport or storage.
Umístění a montáž
The ETX-18SP can be placed directly on the floor or stacked. For optimal sound dispersion and to elevate full-range speakers, utilize the integrated pole mount receptacle on the top surface.
Obrázek 1: Nahoře view of the ETX18SP, highlighting the integrated pole mount for satellite speakers.
The subwoofer includes professional castors for easy movement. Ensure the subwoofer is placed on a stable, level surface to prevent tipping.
Obrázek 2: Strana view of the ETX18SP, showing the robust handles for lifting and transport.
Spojení
Connect your audio source (e.g., mixer, processor) to the ETX-18SP using XLR/TRS combo jacks. The subwoofer also provides XLR link outputs for connecting additional speakers or subwoofers in a daisy-chain configuration.
Figure 3: Rear panel of the ETX18SP, detailing the input/output connections and DSP interface.
- Připojení napájení: Connect the supplied AC power cable to the power inlet on the rear panel and then to a suitable power outlet.
- Zvukový vstup: Use XLR or 1/4-inch TRS cables to connect your audio source to the INPUT 1 or INPUT 2 combo jacks.
- Zvukový výstup (link): For connecting additional speakers or subwoofers, use XLR cables from the OUTPUT 1 or OUTPUT 2 jacks.
Návod k obsluze
Zapnutí/vypnutí
Ensure all connections are secure before powering on. Press the power switch on the rear panel to turn the unit on. The front LED will illuminate to indicate power status. Always power off the unit when not in use.
DSP Control and Presets
The ETX-18SP features an intuitive single-knob DSP interface accessible via the LCD screen on the rear panel. This allows for quick and easy optimization of the subwoofer's performance.
- Navigace: Rotate the master control knob to navigate through menu options on the LCD screen. Press the knob to select an option.
- Předvolby: Select from various factory presets optimized for different applications (e.g., Music, Live, Speech, Club) and top+sub combinations. These presets automatically adjust crossover points, equalization, and limiting for optimal sound.
- Cardioid Preset: Activate the true cardioid DSP preset for applications requiring directional bass control, reducing unwanted low-frequency spill on stage.
- Stav omezovače: Monitor the front LED indicator. A solid green light indicates normal operation, while a flashing or solid red light may indicate that the limiter is active, protecting the transducer from overload. Adjust input levels if the limiter is frequently active.
Údržba
Regular maintenance ensures the longevity and optimal performance of your ETX-18SP subwoofer.
- Čištění: Use a soft, dry cloth to clean the exterior of the subwoofer. Avoid using abrasive cleaners, solvents, or waxes. Ensure no liquids enter the grille or control panel.
- Skladování: When not in use, store the subwoofer in a dry, temperature-controlled environment. If storing for extended periods, it is recommended to use the original packaging or a protective cover.
- Kontrola kabelů: Periodically inspect all audio and power cables for wear, cuts, or damage. Replace damaged cables immediately to prevent electrical hazards or signal loss.
- Větrání: Ensure that the rear panel's ventilation openings are clear and unobstructed to allow for proper cooling of the internal components.
Odstraňování problémů
If you encounter issues with your ETX-18SP, refer to the following common troubleshooting steps:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádný zvukový výstup | No power; incorrect input connection; low volume; muted source. | Check power cable and switch; verify audio cable connections; increase master volume; ensure audio source is not muted. |
| Zkreslený zvuk | Input signal too high; speaker overloaded; faulty cable. | Reduce input level from source; check front LED for limiter activity; replace audio cables. |
| Přerušovaný zvuk | Loose cable connection; faulty cable; overheating. | Secure all connections; replace cables; ensure proper ventilation. |
| Front LED is Red | Limiter active due to high input/output. | Reduce the input gain or master volume to prevent clipping and protect the speaker. |
If the problem persists after attempting these solutions, please contact Electro-Voice customer support or an authorized service center.
Specifikace
| Funkce | Detail |
|---|---|
| Název modelu | ETX-18SP |
| Typ reproduktoru | Napájený subwoofer |
| Průměr basového reproduktoru | 18 palce |
| Maximální výstupní výkon reproduktoru | 1800 wattů |
| Materiál | Wood (18-mm, 13-ply birch plywood with EVCoat) |
| Product Dimensions (without casters) | 550 mm x 675 mm x 777 mm (22 palce x 27 palce x 31 palce) |
| Hmotnost položky | 11 Pounds (Note: This weight seems unusually low for an 18" powered subwoofer and may be a data error. Please refer to official product documentation for accurate weight.) |
| Technologie připojení | (2) XLR/TRS Combo Jack a (2) XLR linkový výstup |
| Režim zvukového výstupu | Mono |
| Typ montáže | Volně stojící, držák na kolo |
| Kontrolní metoda | Touch (via LCD and single-knob DSP) |
| Zahrnuté komponenty | Reproduktor |
| Datum první dostupnosti | 3. března 2014 |
Obrázek 4: Rozměry nadview of the ETX18SP subwoofer.
Záruka a podpora
Informace o záruce
The Electro-Voice ETX18SP is covered by a Limited Warranty. For specific terms and conditions, please refer to the warranty documentation included with your product or visit the official Electro-Voice webmísto.
Zákaznická podpora
For technical assistance, service, or additional product information, please contact Electro-Voice customer support. You can typically find contact details on the manufacturer's webwebu nebo v dokumentaci k vašemu produktu.
Zásady vrácení: This product typically offers a 30-day easy return policy. Please check with your retailer for specific return guidelines.